US Bridges

Lrd 120th ST over Ten Mile Creek

Fair

St. Croix County, Wisconsin · 1.2M S JCT Cth G · Structure no. P55092200000000

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
402
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 120th ST over Ten Mile Creek is a steel stringer/multi-beam or girder carrying Lrd 120th ST over Ten Mile Creek in St. Croix County, Wisconsin. It was built in 1960, so it is 65 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 402 vehicles a day, projected to reach 442 by 2043. The structure is 34 ft (10.5 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd 120th ST
CrossesTen Mile Creek
Location1.2M S JCT Cth G
RouteCity Street 0
Coordinates45.06284, -92.55779
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.5 m)
Longest span33 ft (10.1 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic402 (2022)
Projected traffic442 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd 120th ST over Ten Mile Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Lrd 120th ST over Ten Mile Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Lrd 120th ST over Ten Mile Creek carry?

About 402 vehicles per day (2022 count).

How long is Lrd 120th ST over Ten Mile Creek?

The structure is 34 ft (10.5 m) long with a longest span of 33 ft (10.1 m) and a deck 24 ft wide.

Who owns Lrd 120th ST over Ten Mile Creek?

It is owned by the Town or Township Highway Agency.